An organism's ability to perceive stimuli from either the internal or external environment is called

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

What claim did thorne make? what evidence supported his claim?

Where can a dna be found in a prokaryotic cell